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Rules of Acquisition vs Wallhaven

Same instrument, two spec sheets — measured, not claimed.

APIRules of AcquisitionNEW—WallhavenNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublished45 req/window · 44 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

Rules of Acquisition vs Wallhaven: common questions

Which is more reliable, Rules of Acquisition or Wallhaven?

On our scheduled checks, Wallhaven leads on measured uptime — Rules of Acquisition at —% versus Wallhaven at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Rules of Acquisition and Wallhaven need an API key?

Rules of Acquisition needs no key, while Wallhaven requires a free API key. If you want to start calling without signup, reach for Rules of Acquisition first.

Can I call Rules of Acquisition and Wallhaven from the browser?

Only Rules of Acquisition is browser-friendly — it returns CORS headers over HTTPS. Wallhaven needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Rules of Acquisition and Wallhaven free for commercial use?

Rules of Acquisition has unclear commercial terms, and Wallhaven has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.